http://blogs.technet.com/sandeep/archive/2007/12/04/demystifying-system-center-what-is-system-center.aspxMicrosoft System Center (not Centre as many have pointed out!) like Microsoft Office is a collective grouping for our systems management technologies. System Center currently includes 4 different products: New Product Name Old Product Name System Centeren-USCommunityServer 2.1 SP1 (Build: 61025.2)